# SDR CA030421004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2003
- Submitted: May 6, 2003
- Operation: Air carrier
- Make and model: Bell 204-B
- Registry model: [Bell 204-B](https://openairdocs.org/model/bell-204-b) (OpenAirDocs)
- Aircraft time: 16,756 hours
- Engine: Lyc T5311B
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Longeron
- Part number: 204032806079A
- Condition: Cracked
- Location: Tail Boom
- Part time: 17,138 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA030421004

## Discrepancy

(CAN) UPPER LT ATTACH LONGERON CRACKED AFT OF HOT BONDED DOUBLER.  CRACK APPEARS TO HAVE STARTED AT A RIVET HOLE. THE CRACK WAS DISCOVERED DURING A ENGINE REMOVAL WHERE THE AFT ENGINE COWL WAS REMOVED EXPOSING THE LONGERON.  THE CRACK MEASURES APPROX 3 INCHES IN LENGTH. THE CRACK WAS ORIENTED IN A LATERAL PLANE TO THE LENGTH OF THE PART.

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